Journal of Environmental Impact Assessment 2021 KCI Impact Factor : 0.74

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pISSN : 1225-7184
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2020, Vol.29, No.1

  • 1.

    Habitat Utilization Change of Crane Species against the Increasing Anthropogenic Structure after Released from Civilian Control Zone; CCZ in Cheorwon, Rep. of Korea

    Seung-Hwa Yoo ORD ID , Sungbae Joo ORD ID , Ki-Sup Lee ORD ID and 4 other persons | 2020, 29(1) | pp.1~7 | number of Cited : 0
    Abstract PDF
    This study aims to evaluate the effect of artificial facilities constructed after the release of the civilian controlled zone (CCZ) in Cheorwon on the inhabitation of cranes. The study site was released from the CCZ in 2012, and several barns have been built since 2017. The average number of Red-crowned Cranes was 9.3±4.3 individuals (±Standard Deviation) in the period before the release of the CCZ from 2009 to 2012, and it decreased by ca. one third of Red-crowned Crane’s average individuals were showing 3.5±0.5 individuals after release. The average number of White-naped Cranes also appeared to be decreased by ca. 90% from 63.3±24.6 to 6.0±6.0 individuals. This results suggest that the construction of greenhouses and barns after the releasing of the CCZ affected the decrease of the population of these two crane species. In the case of Red-crowned Crane, the core area tended to move away from the area where barns were built. However, the distribution range of Red-crowned Cranes did not change significantly we expected because the study area was not their favorite place since 2012 when the area was released from the CCZ. The density of the White-naped Crane was relatively high even in the area where greenhouses were built, but after 2017 when the barn was built intensively, core habitat of crane became shrink and fragmented. These results suggest that both Red-crowned Cranes and White-naped Cranes response sensitively against habitat change due to the construction of barns. Since the release of the CCZ, the construction of the greenhouse has been influenced on the distribution of cranes, but subsequently, the construction of the barn seems to have caused a bigger change in their core habitat because the passage of people to barns is more frequent than the greenhouses.
  • 2.

    Assessment of Particle Size Distribution and Pollution Impact of Heavy metals in Road-deposited Sediments (RDS) from Shihwa Industrial Complex

    Jihyun Lee ORD ID , Hyeryeong Jeong ORD ID , Kongtae Ra ORD ID and 1 other persons | 2020, 29(1) | pp.8~25 | number of Cited : 6
    Abstract PDF
    Industrialization has increased the production of road-deposited sediments (RDS) and the level of heavy metals in those RDS, which can have a significant impact on the surrounding aquatic environments through non-point pollution. Although the relationship between contamination characteristics and particle size of RDS is important for pollution control, there is very little information on this. In this study, we investigated the characteristics of grain size distribution and heavy metal concentrations in the road-deposited sediments (RDS) collected from 25 stations in Shihwa Industrial Complex. The environmental impact of RDS with particle size is also studied. Igeo, the contamination assessment index of each metal concentration, represents the RDS from Shihwa Industrial Complex are very highly polluted with Cu, Zn, Pb and Sb, and the levels of those metals were 633~3605, 130~1483, 120~1997, 5.5~50 mg/kg, respectively. The concentrations of heavy metals in RDS increased with the decrease in particle size. The particle size fraction below 250 μm was very dominant with mass and contamination loads, 78.6 and 70.4%, respectively. Particles less than 125 μm of RDS were highly contaminated and toxic to benthic organisms in rivers. RDS particles larger than 250 μm and smaller than 250 μm were contaminated by the surrounding industrial facility and vehicle activities, respectively. As a result of this study, the clean-up of fine particles of RDS, smaller than 125-250 μm, is very important for the control and reduction of nonpoint pollution to nearby water in Shihwa Industrial Complex.
  • 3.

    A Survey of Ecological Knowledge and Information for Climate Change Adaptation in Korea– Focused on the Risk Assessment and Adaptation Strategy to Climate Change –

    In-Ae Yeo ORD ID , Seungbum Hong ORD ID | 2020, 29(1) | pp.26~36 | number of Cited : 0
    Abstract PDF
    This study aimed at investigating present research and knowledge-base on climate change adaptation in ecosystem sector and analyzed the current status of basic information on ecosystem that functions as evidence-base of climate change adaptation to deduce the suggestions for the future development for knowledge and information in biodiversity. In this perspective, a questionary survey titled as “the ecological knowledge-base and information needs for climate change adaptation” with the researchers who were engaged with adaptation studies for biodiversity in the ecosystem related-research institutes including national and 17 regional local governmentsaffiliated agencies in Korea. The results are as follows; current status of utilizing ecological information which supports climate change adaptation strategy, future needs for adaptation knowledge and ecological information, and activation of utilizing ecological information. The majority of respondents (90.7%) replied that the ecological information has high relevance when conducting research on climate change adaptation. However, only half of all respondents (53.2%) agreed with the real viability of current information to the adaptation research. Particularly, urgent priority for researchers was deduced as intensifying knowledge-base and constructing related information on ‘ecosystem change from climate change (productivity, community structure, food chain, phenology, range distribution, and number of individuals) with the overall improvement of information contents and its quality. The respondents emphasized with the necessity of conducting field surveys of local ecosystem and constructing ecosystem inventories, advancing monitoring designs for climate change in ecosystem, and case studies for regional ecosystem changes with the guidance or guidelines for monitoring ecosystem change to enhance the quality of adaptation research and produce related information. In terms of activation for ecological information usage, national and local adaptation network should be working based on the integrated ecological platform necessary to support exchanges of knowledge and information and to expand ecosystem types in time and spatial dimension.
  • 4.

    Classification of the Algal Monitoring Points by Histogram Analysis of Chlorophyll-a

    Lee, Saeromi ORD ID , Changhyuk, Ahn ORD ID , Jaeroh Park ORD ID | 2020, 29(1) | pp.37~44 | number of Cited : 0
    Abstract PDF
    In this study, we analyzed the value of Chl-a by histogram to classify the points where algal management is required. The degree of algal bloom by point was analyzed using the ogive curve, and the algal control points were classified into three stages according to the shape of the frequency distribution table. Of the four major rivers, low concentration of Chl-a appeared most frequently in the Han River, while the high concentration of Chl-a was frequently found at the points of the Geum and the Yeongsan Rivers. In the case of the Han River, no apprehensive areas were found that require intensive management, while most points on the Geum and the Yeongsan Rivers required algal management. Finally, the Nakdong River basin was identified as points requiring algal management from the mid to downstream. The results of this study have confirmation of the possibility that the frequency distribution could be used as a supplementary indicator to express the algal bloom.
  • 5.

    Environmental Impact Assessment Consultation Based on Land Environment and Natural & Ecological Environ

    Lee, Jong-Ho ORD ID | 2020, 29(1) | pp.45~60 | number of Cited : 3
    Abstract PDF
    In the past, air pollution, water pollution and solid waste were very important items, but at present environmentally sound land use, ecosystem conservation and sustainable socio-economy have become very important in EIA. According to the consultation result of SEA and Small scale EIA during 2012∼2019, most results are ‘Conditional Agreement’. Especially EIA consultation results before 2016 were mostly (94.1 %) ‘Agreement’, but since 2017 most (87.4 %) are ‘Conditional Agreement’. And the percentage of ‘Non Agreement’ have sharply increased from 0.3~0.6 % (during 2013~2016) to 1.3~3.1 % (during 2017~2019). In case there have been no change in EIA system and consultation techniques, the problems of inconsistency and unfairness could be raised. Therefore are urgently required researches on environmentally sound land use, ecosystem conservation and sustainable socioeconomy which decide location feasibility assessment. The purpose of this study is to analyse the consultation cases of SEA, EIA, and Small scale EIA since 2012, and to identify key factors which result in the decision of nonagreement of development plans and development projects, and to suggest the improvements on EIA consultation based on land use regulation and environmental grade.
  • 6.

    A Non-parametric Trend Analysis of Water Quality Using Water Environment Network Data in Nakdong River

    Jungmin Kim ORD ID , Jeong, Hyungi ORD ID , Hyeran Kim ORD ID and 2 other persons | 2020, 29(1) | pp.61~77 | number of Cited : 3
    Abstract PDF
    In South Korea, major public waters have been systematic management under national level. Water environment network has been continuous monitoring for change of aquatic ecosystem, river and reservoir. In Water Quality Monitoring Networks, the data have been generally monitored Per eight days or month, while in Automatic Water Quality Monitoring Network the data have been monitored at daily intervals. Therefore, we were compared and analyzed water quality data between the networks using statistic method for same water quality item. Mann-kendall test results confirm that all points in Water Temperature (WT) and DO were not statistically significant. In particular, the result revealed that there is significant variation of TOC in the four different sites, TN in two different sites, TP in three different sites, WT in seven different sites, pH in two different sites between Water Quality Monitoring Network and Automatic Water Quality Monitoring Network. As a result firm LOWESS, TOC and pH clearly shows different trend. Among different sites, the water quality show the significantly positive correlations between at Sinam-Sangju2 and Namgang-Namgang4. Negative correlation significantly appeared in TP (ADD_Lower-AD1 site), TOC (DG-SG site), pH (GR-GR site), TP (JP-CN) and TN, TP, pH, EC, DO (GC-GC2-1 site).